493 Influence of Preoperative Symptom Duration on Postoperative Clinical Outcomes and Trajectory in Patients Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion for Isthmic Spondylolisthesis

P0120 What are the Patient Acceptable Symptom State and Substantial Clinical Benefits for Pain, Function, and Quality of life after Primary Total Knee Arthroplasty?

P0121 Age-Related Differences in Pain, Function, and Quality of Life following Primary Total Knee Arthroplasty

P0354 Influence of Preoperative Symptom Duration on Postoperative Clinical Outcomes and Trajectory in Patients Undergoing Lateral Lumbar Interbody Fusion

P0355 Does Level of Baseline Leg Pain Influence Outcomes among Patients with Severe Back Pain undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion?